# Invalid state error **URL:** \ **Category:** Maintenance/Repairs\ **Tags:** hyundai, elantra\ **Created:** [August 13, 2022, 2:15pm UTC](https://community.cartalk.com/t/invalid-state-error/185791 "2022-08-13T14:15:28Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![Dr\_Chrisq](https://avatars.discourse-cdn.com/v4/letter/d/35a633/32.png) [@Dr\_Chrisq](https://community.cartalk.com/u/Dr_Chrisq)\ **Post date:** [August 13, 2022, 2:15pm UTC](https://community.cartalk.com/t/invalid-state-error/185791/1 "2022-08-13T14:15:28Z")
Every so often, a message appears on my radio that says “invalid\_state\_error” The car seems to be working well. I can’t seem to find any useful information so i am turning to the experts, which admittedly I should have done first. Any help is appreciated. ---
**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\ **Post date:** [August 13, 2022, 2:57pm UTC](https://community.cartalk.com/t/invalid-state-error/185791/2 "2022-08-13T14:57:25Z")
What year Elantra? Why wouldn’t you ask the dealer’s service department this question? They are the real experts on this car. ---
**Author:** ![lion9car](https://avatars.discourse-cdn.com/v4/letter/l/59ef9b/32.png) [@lion9car](https://community.cartalk.com/u/lion9car)\ **Post date:** [August 13, 2022, 5:13pm UTC](https://community.cartalk.com/t/invalid-state-error/185791/3 "2022-08-13T17:13:12Z")
Is the car under warranty? ---
**Author:** ![VOLVO-V70](https://avatars.discourse-cdn.com/v4/letter/v/8e8cbc/32.png) [@VOLVO-V70](https://community.cartalk.com/u/VOLVO-V70)\ **Post date:** [August 13, 2022, 5:22pm UTC](https://community.cartalk.com/t/invalid-state-error/185791/4 "2022-08-13T17:22:08Z")
I think this is the 2014 in his other threads . ---
**Author:** ![weekend-warrior](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/weekend-warrior/32/26122_2.png) [@weekend-warrior](https://community.cartalk.com/u/weekend-warrior)\ **Post date:** [August 13, 2022, 5:44pm UTC](https://community.cartalk.com/t/invalid-state-error/185791/5 "2022-08-13T17:44:48Z")
It might have something to do with navigation maps. ---
**Author:** ![davepsinbox\_157004](https://avatars.discourse-cdn.com/v4/letter/d/73ab20/32.png) [@davepsinbox\_157004](https://community.cartalk.com/u/davepsinbox_157004)\ **Post date:** [August 13, 2022, 8:34pm UTC](https://community.cartalk.com/t/invalid-state-error/185791/6 "2022-08-13T20:34:01Z")
In general terms, “invalid state” refers to a communication failure, i.e., something can’t communicate with something else. My wild guess is a bad body control module but a guess is all it is. Beyond that, I have no clue. Agree a dealer’s shop is your best bet. ---
**Author:** ![George\_San\_Jose1](https://avatars.discourse-cdn.com/v4/letter/g/e5b9ba/32.png) [@George\_San\_Jose1](https://community.cartalk.com/u/George_San_Jose1)\ **Post date:** [August 13, 2022, 10:41pm UTC](https://community.cartalk.com/t/invalid-state-error/185791/7 "2022-08-13T22:41:30Z")
I’ve never seen that error message on a car display. When I see it on a computer display it usually means some sort of hardware error has occurred. Something that the software can’t recover from. Usually it means a replacement circuit board is needed. If interested in more detail, computer electronics designers often use “state machines” as the basic building blocks of the circuitry. Sort of like how 2 x 4’s are used to build a house. A “state” is a combination of bits; e.g. 01000100111 might represent a state. State machines are only supposed to have a certain set of valid states; when a state machine exhibits a state not in that list it doesn’t know what to do, and displays that error message.